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Server: Apache/2.4.6 () OpenSSL/1.0.2k-fips PHP/8.3.8
System: Linux gateway.rmc-logistics.net 4.1.12-124.48.6.el7uek.x86_64 #2 SMP Tue Mar 16 14:57:50 PDT 2021 x86_64
User: apache (48)
PHP: 8.3.8
Disabled: NONE
$ pwd: /lib/firewalld/services/
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File: //lib/firewalld/services/vnc-server.xml
<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>Virtual Network Computing Server (VNC)</short>
  <description>A VNC server provides an external accessible X session. Enable this option if you plan to provide a VNC server with direct access. The access will be possible for displays :0 to :3. If you plan to provide access with SSH, do not open this option and use the via option of the VNC viewer.</description>
  <port protocol="tcp" port="5900-5903"/>
</service>
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